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A297965
a(n) = Fibonacci(binomial(n+3, 3)).
0
1, 3, 55, 6765, 9227465, 225851433717, 160500643816367088, 5358359254990966640871840, 13598018856492162040239554477268290, 4244200115309993198876969489421897548446236915, 263621064469290555679241849789653324393054271110084140201023
OFFSET
0,2
COMMENTS
Fourth diagonal of A045995.
FORMULA
a(n) = A000045(A000292(n+1)) = A045995(n+3, 3).
MATHEMATICA
Table[Fibonacci[Binomial[n + 3, 3]], {n, 0, 20}]
PROG
(Magma) [Fibonacci(Binomial(n+3, 3)): n in [0..20]];
(PARI) a(n) = fibonacci(binomial(n+3, 3)) \\ Felix Fröhlich, Jan 12 2018
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Jan 10 2018
STATUS
approved